./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_47-refine-protected2_true.i --full-output --architecture 32bit


--------------------------------------------------------------------------------


Checking for ERROR reachability
Using default analysis
Version 2329fc70
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b65c74-c5e7-4d99-8440-78e7ce7a6c55/bin/ugemcutter-rbreBovr8w/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b65c74-c5e7-4d99-8440-78e7ce7a6c55/bin/ugemcutter-rbreBovr8w/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b65c74-c5e7-4d99-8440-78e7ce7a6c55/bin/ugemcutter-rbreBovr8w/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b65c74-c5e7-4d99-8440-78e7ce7a6c55/bin/ugemcutter-rbreBovr8w/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_47-refine-protected2_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b65c74-c5e7-4d99-8440-78e7ce7a6c55/bin/ugemcutter-rbreBovr8w/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b65c74-c5e7-4d99-8440-78e7ce7a6c55/bin/ugemcutter-rbreBovr8w --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f7e90d4b6ab0561c00fafe8b5db7dd972e67889e2cb8e9e72502cd51ce4f0a76
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-2329fc7
[2022-12-13 09:12:11,780 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-12-13 09:12:11,781 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-12-13 09:12:11,793 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-12-13 09:12:11,793 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-12-13 09:12:11,794 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-12-13 09:12:11,795 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-12-13 09:12:11,796 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-12-13 09:12:11,797 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-12-13 09:12:11,798 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-12-13 09:12:11,798 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-12-13 09:12:11,799 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-12-13 09:12:11,799 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-12-13 09:12:11,800 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-12-13 09:12:11,801 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-12-13 09:12:11,801 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-12-13 09:12:11,802 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-12-13 09:12:11,802 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-12-13 09:12:11,804 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-12-13 09:12:11,805 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-12-13 09:12:11,806 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-12-13 09:12:11,806 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-12-13 09:12:11,807 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-12-13 09:12:11,808 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-12-13 09:12:11,810 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-12-13 09:12:11,810 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-12-13 09:12:11,810 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-12-13 09:12:11,811 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-12-13 09:12:11,811 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-12-13 09:12:11,812 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-12-13 09:12:11,812 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-12-13 09:12:11,812 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-12-13 09:12:11,813 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-12-13 09:12:11,813 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-12-13 09:12:11,814 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-12-13 09:12:11,814 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-12-13 09:12:11,815 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-12-13 09:12:11,815 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-12-13 09:12:11,815 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-12-13 09:12:11,815 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-12-13 09:12:11,816 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-12-13 09:12:11,817 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b65c74-c5e7-4d99-8440-78e7ce7a6c55/bin/ugemcutter-rbreBovr8w/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2022-12-13 09:12:11,838 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-12-13 09:12:11,838 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-12-13 09:12:11,838 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-12-13 09:12:11,838 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-12-13 09:12:11,844 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-12-13 09:12:11,844 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-12-13 09:12:11,845 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-12-13 09:12:11,845 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-12-13 09:12:11,846 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-12-13 09:12:11,846 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-12-13 09:12:11,846 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-12-13 09:12:11,846 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-12-13 09:12:11,846 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-12-13 09:12:11,846 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-12-13 09:12:11,847 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-12-13 09:12:11,847 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-12-13 09:12:11,847 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-12-13 09:12:11,847 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-12-13 09:12:11,847 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-12-13 09:12:11,847 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-12-13 09:12:11,847 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-12-13 09:12:11,848 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-12-13 09:12:11,848 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-12-13 09:12:11,848 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-12-13 09:12:11,848 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-12-13 09:12:11,848 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-12-13 09:12:11,849 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-12-13 09:12:11,849 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-12-13 09:12:11,849 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-12-13 09:12:11,849 INFO  L138        SettingsManager]:  * DFS Order used in POR=LOOP_LOCKSTEP
[2022-12-13 09:12:11,849 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-12-13 09:12:11,849 INFO  L138        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2022-12-13 09:12:11,849 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-12-13 09:12:11,850 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-12-13 09:12:11,850 INFO  L138        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2022-12-13 09:12:11,850 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2022-12-13 09:12:11,850 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b65c74-c5e7-4d99-8440-78e7ce7a6c55/bin/ugemcutter-rbreBovr8w/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b65c74-c5e7-4d99-8440-78e7ce7a6c55/bin/ugemcutter-rbreBovr8w
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7e90d4b6ab0561c00fafe8b5db7dd972e67889e2cb8e9e72502cd51ce4f0a76
[2022-12-13 09:12:12,010 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-12-13 09:12:12,026 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-12-13 09:12:12,028 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-12-13 09:12:12,029 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-12-13 09:12:12,029 INFO  L275        PluginConnector]: CDTParser initialized
[2022-12-13 09:12:12,030 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b65c74-c5e7-4d99-8440-78e7ce7a6c55/bin/ugemcutter-rbreBovr8w/../../sv-benchmarks/c/goblint-regression/13-privatized_47-refine-protected2_true.i
[2022-12-13 09:12:14,597 INFO  L500              CDTParser]: Created temporary CDT project at NULL
[2022-12-13 09:12:14,758 INFO  L351              CDTParser]: Found 1 translation units.
[2022-12-13 09:12:14,758 INFO  L172              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b65c74-c5e7-4d99-8440-78e7ce7a6c55/sv-benchmarks/c/goblint-regression/13-privatized_47-refine-protected2_true.i
[2022-12-13 09:12:14,768 INFO  L394              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b65c74-c5e7-4d99-8440-78e7ce7a6c55/bin/ugemcutter-rbreBovr8w/data/f0b122024/99aa078cadd4432cad266f4601611bbd/FLAG3e952efd6
[2022-12-13 09:12:14,779 INFO  L402              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b65c74-c5e7-4d99-8440-78e7ce7a6c55/bin/ugemcutter-rbreBovr8w/data/f0b122024/99aa078cadd4432cad266f4601611bbd
[2022-12-13 09:12:14,781 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-12-13 09:12:14,782 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-12-13 09:12:14,783 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-12-13 09:12:14,783 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-12-13 09:12:14,786 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-12-13 09:12:14,786 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:12:14" (1/1) ...
[2022-12-13 09:12:14,787 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28571e08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:14, skipping insertion in model container
[2022-12-13 09:12:14,787 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:12:14" (1/1) ...
[2022-12-13 09:12:14,793 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-12-13 09:12:14,815 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-12-13 09:12:14,922 WARN  L237   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b65c74-c5e7-4d99-8440-78e7ce7a6c55/sv-benchmarks/c/goblint-regression/13-privatized_47-refine-protected2_true.i[1094,1107]
[2022-12-13 09:12:15,016 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-12-13 09:12:15,025 INFO  L203         MainTranslator]: Completed pre-run
[2022-12-13 09:12:15,034 WARN  L237   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b65c74-c5e7-4d99-8440-78e7ce7a6c55/sv-benchmarks/c/goblint-regression/13-privatized_47-refine-protected2_true.i[1094,1107]
[2022-12-13 09:12:15,051 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-12-13 09:12:15,072 INFO  L208         MainTranslator]: Completed translation
[2022-12-13 09:12:15,072 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:15 WrapperNode
[2022-12-13 09:12:15,073 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-12-13 09:12:15,073 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-12-13 09:12:15,073 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-12-13 09:12:15,073 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-12-13 09:12:15,079 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:15" (1/1) ...
[2022-12-13 09:12:15,088 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:15" (1/1) ...
[2022-12-13 09:12:15,102 INFO  L138                Inliner]: procedures = 162, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46
[2022-12-13 09:12:15,102 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-12-13 09:12:15,103 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-12-13 09:12:15,103 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-12-13 09:12:15,103 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-12-13 09:12:15,109 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:15" (1/1) ...
[2022-12-13 09:12:15,110 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:15" (1/1) ...
[2022-12-13 09:12:15,111 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:15" (1/1) ...
[2022-12-13 09:12:15,111 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:15" (1/1) ...
[2022-12-13 09:12:15,114 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:15" (1/1) ...
[2022-12-13 09:12:15,115 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:15" (1/1) ...
[2022-12-13 09:12:15,116 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:15" (1/1) ...
[2022-12-13 09:12:15,116 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:15" (1/1) ...
[2022-12-13 09:12:15,118 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-12-13 09:12:15,118 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-12-13 09:12:15,119 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-12-13 09:12:15,119 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-12-13 09:12:15,119 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:15" (1/1) ...
[2022-12-13 09:12:15,124 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-12-13 09:12:15,132 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b65c74-c5e7-4d99-8440-78e7ce7a6c55/bin/ugemcutter-rbreBovr8w/z3
[2022-12-13 09:12:15,141 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b65c74-c5e7-4d99-8440-78e7ce7a6c55/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-12-13 09:12:15,143 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b65c74-c5e7-4d99-8440-78e7ce7a6c55/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-12-13 09:12:15,175 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2022-12-13 09:12:15,175 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2022-12-13 09:12:15,175 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-12-13 09:12:15,175 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-12-13 09:12:15,175 INFO  L130     BoogieDeclarations]: Found specification of procedure t_fun
[2022-12-13 09:12:15,175 INFO  L138     BoogieDeclarations]: Found implementation of procedure t_fun
[2022-12-13 09:12:15,175 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-12-13 09:12:15,175 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-12-13 09:12:15,176 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-12-13 09:12:15,176 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-12-13 09:12:15,177 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-12-13 09:12:15,266 INFO  L235             CfgBuilder]: Building ICFG
[2022-12-13 09:12:15,268 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-12-13 09:12:15,367 INFO  L276             CfgBuilder]: Performing block encoding
[2022-12-13 09:12:15,373 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-12-13 09:12:15,374 INFO  L300             CfgBuilder]: Removed 0 assume(true) statements.
[2022-12-13 09:12:15,376 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:12:15 BoogieIcfgContainer
[2022-12-13 09:12:15,376 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-12-13 09:12:15,378 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-12-13 09:12:15,378 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-12-13 09:12:15,381 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-12-13 09:12:15,381 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:12:14" (1/3) ...
[2022-12-13 09:12:15,382 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e6519b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:12:15, skipping insertion in model container
[2022-12-13 09:12:15,382 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:15" (2/3) ...
[2022-12-13 09:12:15,382 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e6519b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:12:15, skipping insertion in model container
[2022-12-13 09:12:15,382 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:12:15" (3/3) ...
[2022-12-13 09:12:15,384 INFO  L112   eAbstractionObserver]: Analyzing ICFG 13-privatized_47-refine-protected2_true.i
[2022-12-13 09:12:15,390 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-12-13 09:12:15,397 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-12-13 09:12:15,398 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2022-12-13 09:12:15,398 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-12-13 09:12:15,429 INFO  L144    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2022-12-13 09:12:15,462 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-12-13 09:12:15,462 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-12-13 09:12:15,462 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b65c74-c5e7-4d99-8440-78e7ce7a6c55/bin/ugemcutter-rbreBovr8w/z3
[2022-12-13 09:12:15,464 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b65c74-c5e7-4d99-8440-78e7ce7a6c55/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2022-12-13 09:12:15,464 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b65c74-c5e7-4d99-8440-78e7ce7a6c55/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2022-12-13 09:12:15,498 INFO  L159   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2022-12-13 09:12:15,510 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2022-12-13 09:12:15,517 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@42a777b9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-12-13 09:12:15,517 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2022-12-13 09:12:15,609 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2022-12-13 09:12:15,613 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 09:12:15,613 INFO  L85        PathProgramCache]: Analyzing trace with hash 987514186, now seen corresponding path program 1 times
[2022-12-13 09:12:15,622 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 09:12:15,623 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436854232]
[2022-12-13 09:12:15,623 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 09:12:15,623 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 09:12:15,739 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 09:12:15,918 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 09:12:15,918 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 09:12:15,919 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436854232]
[2022-12-13 09:12:15,919 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436854232] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 09:12:15,919 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 09:12:15,920 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-12-13 09:12:15,921 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244314267]
[2022-12-13 09:12:15,921 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 09:12:15,925 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-12-13 09:12:15,925 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 09:12:15,944 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-12-13 09:12:15,944 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2022-12-13 09:12:15,945 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-12-13 09:12:15,946 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-12-13 09:12:15,947 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 09:12:15,947 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-12-13 09:12:16,047 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-12-13 09:12:16,048 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-12-13 09:12:16,048 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2022-12-13 09:12:16,049 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 09:12:16,049 INFO  L85        PathProgramCache]: Analyzing trace with hash -424527726, now seen corresponding path program 1 times
[2022-12-13 09:12:16,049 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 09:12:16,049 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867419834]
[2022-12-13 09:12:16,049 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 09:12:16,050 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 09:12:16,074 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 09:12:16,241 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 09:12:16,241 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 09:12:16,241 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867419834]
[2022-12-13 09:12:16,242 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867419834] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 09:12:16,242 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 09:12:16,242 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-12-13 09:12:16,242 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649281548]
[2022-12-13 09:12:16,242 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 09:12:16,244 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-12-13 09:12:16,244 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 09:12:16,245 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-12-13 09:12:16,245 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2022-12-13 09:12:16,245 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-12-13 09:12:16,246 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-12-13 09:12:16,246 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 09:12:16,246 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2022-12-13 09:12:16,246 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-12-13 09:12:16,335 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-12-13 09:12:16,335 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-12-13 09:12:16,337 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining)
[2022-12-13 09:12:16,338 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining)
[2022-12-13 09:12:16,338 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining)
[2022-12-13 09:12:16,338 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-12-13 09:12:16,342 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1]
[2022-12-13 09:12:16,344 INFO  L228   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-12-13 09:12:16,344 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2022-12-13 09:12:16,347 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 09:12:16 BasicIcfg
[2022-12-13 09:12:16,347 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-12-13 09:12:16,348 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2022-12-13 09:12:16,348 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2022-12-13 09:12:16,348 INFO  L275        PluginConnector]: Witness Printer initialized
[2022-12-13 09:12:16,348 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:12:15" (3/4) ...
[2022-12-13 09:12:16,350 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2022-12-13 09:12:16,355 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun
[2022-12-13 09:12:16,358 INFO  L961   BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges
[2022-12-13 09:12:16,358 INFO  L961   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2022-12-13 09:12:16,358 INFO  L961   BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2022-12-13 09:12:16,358 INFO  L961   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-12-13 09:12:16,392 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b65c74-c5e7-4d99-8440-78e7ce7a6c55/bin/ugemcutter-rbreBovr8w/witness.graphml
[2022-12-13 09:12:16,392 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-12-13 09:12:16,393 INFO  L158              Benchmark]: Toolchain (without parser) took 1610.78ms. Allocated memory is still 132.1MB. Free memory was 96.1MB in the beginning and 42.9MB in the end (delta: 53.2MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB.
[2022-12-13 09:12:16,393 INFO  L158              Benchmark]: CDTParser took 0.13ms. Allocated memory is still 132.1MB. Free memory is still 99.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-12-13 09:12:16,394 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 289.60ms. Allocated memory is still 132.1MB. Free memory was 96.1MB in the beginning and 77.3MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2022-12-13 09:12:16,394 INFO  L158              Benchmark]: Boogie Procedure Inliner took 29.17ms. Allocated memory is still 132.1MB. Free memory was 77.3MB in the beginning and 75.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-12-13 09:12:16,394 INFO  L158              Benchmark]: Boogie Preprocessor took 15.09ms. Allocated memory is still 132.1MB. Free memory was 75.7MB in the beginning and 74.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2022-12-13 09:12:16,394 INFO  L158              Benchmark]: RCFGBuilder took 257.36ms. Allocated memory is still 132.1MB. Free memory was 74.3MB in the beginning and 62.2MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2022-12-13 09:12:16,395 INFO  L158              Benchmark]: TraceAbstraction took 968.75ms. Allocated memory is still 132.1MB. Free memory was 61.5MB in the beginning and 45.7MB in the end (delta: 15.8MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB.
[2022-12-13 09:12:16,395 INFO  L158              Benchmark]: Witness Printer took 44.91ms. Allocated memory is still 132.1MB. Free memory was 45.7MB in the beginning and 42.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-12-13 09:12:16,397 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.13ms. Allocated memory is still 132.1MB. Free memory is still 99.8MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 289.60ms. Allocated memory is still 132.1MB. Free memory was 96.1MB in the beginning and 77.3MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 29.17ms. Allocated memory is still 132.1MB. Free memory was 77.3MB in the beginning and 75.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 15.09ms. Allocated memory is still 132.1MB. Free memory was 75.7MB in the beginning and 74.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 257.36ms. Allocated memory is still 132.1MB. Free memory was 74.3MB in the beginning and 62.2MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * TraceAbstraction took 968.75ms. Allocated memory is still 132.1MB. Free memory was 61.5MB in the beginning and 45.7MB in the end (delta: 15.8MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB.
 * Witness Printer took 44.91ms. Allocated memory is still 132.1MB. Free memory was 45.7MB in the beginning and 42.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Independence relation #1 benchmarks
    ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 435, independent: 412, independent conditional: 113, independent unconditional: 299, dependent: 23, dependent conditional: 14, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 424, independent: 412, independent conditional: 113, independent unconditional: 299, dependent: 12, dependent conditional: 3, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 424, independent: 412, independent conditional: 113, independent unconditional: 299, dependent: 12, dependent conditional: 3, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 428, independent: 412, independent conditional: 1, independent unconditional: 411, dependent: 16, dependent conditional: 3, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 428, independent: 412, independent conditional: 1, independent unconditional: 411, dependent: 16, dependent conditional: 1, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 428, independent: 412, independent conditional: 1, independent unconditional: 411, dependent: 16, dependent conditional: 1, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 310, independent: 300, independent conditional: 1, independent unconditional: 299, dependent: 10, dependent conditional: 1, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 310, independent: 295, independent conditional: 0, independent unconditional: 295, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 15, independent: 5, independent conditional: 1, independent unconditional: 4, dependent: 10, dependent conditional: 1, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, independent: 5, independent conditional: 1, independent unconditional: 4, dependent: 10, dependent conditional: 1, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 65, independent: 37, independent conditional: 3, independent unconditional: 34, dependent: 28, dependent conditional: 5, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 428, independent: 112, independent conditional: 0, independent unconditional: 112, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 310, unknown conditional: 2, unknown unconditional: 308] , Statistics on independence cache: Total cache size (in pairs): 310, Positive cache size: 300, Positive conditional cache size: 1, Positive unconditional cache size: 299, Negative cache size: 10, Negative conditional cache size: 1, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2, Maximal queried relation: 1, Independence queries for same thread: 11
  - StatisticsResult: Persistent set benchmarks
    Persistent set computation time: 0.1s, Number of persistent set computation: 109, Number of trivial persistent sets: 109, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 308, independent: 299, independent conditional: 0, independent unconditional: 299, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 435, independent: 412, independent conditional: 113, independent unconditional: 299, dependent: 23, dependent conditional: 14, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 424, independent: 412, independent conditional: 113, independent unconditional: 299, dependent: 12, dependent conditional: 3, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 424, independent: 412, independent conditional: 113, independent unconditional: 299, dependent: 12, dependent conditional: 3, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 428, independent: 412, independent conditional: 1, independent unconditional: 411, dependent: 16, dependent conditional: 3, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 428, independent: 412, independent conditional: 1, independent unconditional: 411, dependent: 16, dependent conditional: 1, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 428, independent: 412, independent conditional: 1, independent unconditional: 411, dependent: 16, dependent conditional: 1, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 310, independent: 300, independent conditional: 1, independent unconditional: 299, dependent: 10, dependent conditional: 1, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 310, independent: 295, independent conditional: 0, independent unconditional: 295, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 15, independent: 5, independent conditional: 1, independent unconditional: 4, dependent: 10, dependent conditional: 1, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, independent: 5, independent conditional: 1, independent unconditional: 4, dependent: 10, dependent conditional: 1, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 65, independent: 37, independent conditional: 3, independent unconditional: 34, dependent: 28, dependent conditional: 5, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 428, independent: 112, independent conditional: 0, independent unconditional: 112, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 310, unknown conditional: 2, unknown unconditional: 308] , Statistics on independence cache: Total cache size (in pairs): 310, Positive cache size: 300, Positive conditional cache size: 1, Positive unconditional cache size: 299, Negative cache size: 10, Negative conditional cache size: 1, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2, Maximal queried relation: 1, Independence queries for same thread: 11
  - PositiveResult [Line: 19]: call to reach_error is unreachable
    For all program executions holds that call to reach_error is unreachable at this location
  - PositiveResult [Line: 19]: call to reach_error is unreachable
    For all program executions holds that call to reach_error is unreachable at this location
  - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances
    CFG has 3 procedures, 73 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 142 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    2 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2022-12-13 09:12:16,418 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b65c74-c5e7-4d99-8440-78e7ce7a6c55/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0
[2022-12-13 09:12:16,626 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b65c74-c5e7-4d99-8440-78e7ce7a6c55/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE